javascript

This commit is contained in:
nora 2022-05-16 12:25:31 +02:00
parent a52cbda492
commit 54b5c9b1f8
7 changed files with 186 additions and 54 deletions

2
js/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
node_modules
.idea

4
js/.prettierrc.json Normal file
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@ -0,0 +1,4 @@
{
"singleQuote": true,
"printWidth": 100
}

2
js/fizzbuzz.bf vendored Normal file
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++[-].

10
js/package.json Normal file
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{
"name": "brainfuck",
"version": "1.0.0",
"main": "src/index.js",
"license": "MIT",
"type": "module",
"devDependencies": {
"prettier": "^2.6.2"
}
}

110
js/src/index.js Normal file
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@ -0,0 +1,110 @@
import fs from 'fs/promises';
function lex(string) {
const tokens = [];
for (let i = 0; i < string.length; i++) {
const char = string[i];
if (['+', '-', '>', '<', '.', ',', '[', ']'].includes(char)) {
tokens.push({
char,
span: i
});
}
}
return tokens;
}
function ParseError(message, span) {
this.message = message;
this.span = span;
}
function Parser(tokens) {
this.tokens = tokens;
this.position = 0;
}
Parser.prototype.next = function() {
const token = this.tokens[this.position];
this.position++;
return token;
};
Parser.prototype.parse = function(isLoop) {
const body = [];
let nextToken;
while ((nextToken = this.next()) !== undefined) {
switch (nextToken.char) {
case '[': {
const loopBody = this.parse(true);
body.push(loopBody);
break;
}
case ']': {
if (isLoop) {
return body;
} else {
throw new ParseError('No matching `[` found', nextToken.span);
}
}
default: {
body.push(nextToken);
}
}
}
if (isLoop) {
throw new ParseError('No matching `]` found', this.tokens[this.tokens.length - 1].span);
} else {
return body;
}
};
function reportError(source, message, span) {
let lineIdx = 0;
let lastNewlineIdx = 0;
for (let i = 0; i < source.length; i++) {
const char = source[i];
if (i === span) {
break;
}
if (char === '\n') {
lineIdx++;
lastNewlineIdx = i;
}
}
const lines = source.split('\n');
const line = lines[lineIdx];
const lineNumber = String(lineIdx + 1);
const linePrefix = `${lineNumber} | `;
const lineSpan = span - lastNewlineIdx;
console.error(`error: ${message}`);
console.error(`${linePrefix}${line}`);
console.error(`${' '.repeat(linePrefix.length)}${'-'.repeat(lineSpan)}^`);
}
const file = process.argv[2];
if (!file) {
console.error('Usage: [filename]');
process.exit(1);
}
const source = await fs.readFile(file, 'utf-8');
const tokens = lex(source);
const parser = new Parser(tokens);
try {
const ast = parser.parse(false);
console.log(ast);
} catch (parseError) {
if (!(parseError instanceof ParseError)) {
throw parseError;
}
reportError(source, parseError.message, parseError.span);
}

8
js/yarn.lock Normal file
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@ -0,0 +1,8 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
prettier@^2.6.2:
version "2.6.2"
resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.6.2.tgz#e26d71a18a74c3d0f0597f55f01fb6c06c206032"
integrity sha512-PkUpF+qoXTqhOeWL9fu7As8LXsIUZ1WYaJiY/a7McAQzxjk82OF0tibkFXVCDImZtWxbvojFjerkiLb0/q8mew==

104
rust2/Cargo.lock generated
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@ -39,7 +39,7 @@ name = "brainfuck"
version = "0.1.0"
dependencies = [
"bumpalo",
"clap 3.1.9",
"clap 3.1.18",
"criterion",
"insta",
"owo-colors",
@ -94,9 +94,9 @@ dependencies = [
[[package]]
name = "clap"
version = "3.1.9"
version = "3.1.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6aad2534fad53df1cc12519c5cda696dd3e20e6118a027e24054aea14a0bdcbe"
checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
dependencies = [
"atty",
"bitflags",
@ -111,9 +111,9 @@ dependencies = [
[[package]]
name = "clap_derive"
version = "3.1.7"
version = "3.1.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3aab4734e083b809aaf5794e14e756d1c798d2c69c7f7de7a09a2f5214993c1"
checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
dependencies = [
"heck",
"proc-macro-error",
@ -124,9 +124,9 @@ dependencies = [
[[package]]
name = "clap_lex"
version = "0.1.0"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d716edb7c26222b1b21de6e6d505b274f9f3db9e7bc2e06baf389d57ae842df8"
checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
dependencies = [
"os_str_bytes",
]
@ -338,9 +338,9 @@ checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
[[package]]
name = "itoa"
version = "1.0.1"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
[[package]]
name = "js-sys"
@ -359,9 +359,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "libc"
version = "0.2.123"
version = "0.2.125"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb691a747a7ab48abc15c5b42066eaafde10dc427e3b6ee2a1cf43db04c763bd"
checksum = "5916d2ae698f6de9bfb891ad7a8d65c09d232dc58cc4ac433c7da3b2fd84bc2b"
[[package]]
name = "linked-hash-map"
@ -371,9 +371,9 @@ checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
[[package]]
name = "log"
version = "0.4.16"
version = "0.4.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6389c490849ff5bc16be905ae24bc913a9c8892e19b2341dbc175e14c341c2b8"
checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
dependencies = [
"cfg-if",
]
@ -389,9 +389,9 @@ dependencies = [
[[package]]
name = "memchr"
version = "2.4.1"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
[[package]]
name = "memoffset"
@ -404,9 +404,9 @@ dependencies = [
[[package]]
name = "num-traits"
version = "0.2.14"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
dependencies = [
"autocfg",
]
@ -435,24 +435,21 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
[[package]]
name = "os_str_bytes"
version = "6.0.0"
version = "6.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
dependencies = [
"memchr",
]
checksum = "029d8d0b2f198229de29dca79676f2738ff952edf3fde542eb8bf94d8c21b435"
[[package]]
name = "owo-colors"
version = "3.3.0"
version = "3.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5e72e30578e0d0993c8ae20823dd9cff2bc5517d2f586a8aef462a581e8a03eb"
checksum = "decf7381921fea4dcb2549c5667eda59b3ec297ab7e2b5fc33eac69d2e7da87b"
[[package]]
name = "pin-project-lite"
version = "0.2.8"
version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e280fbe77cc62c91527259e9442153f4688736748d24660126286329742b4c6c"
checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
[[package]]
name = "plotters"
@ -514,9 +511,9 @@ dependencies = [
[[package]]
name = "proc-macro2"
version = "1.0.37"
version = "1.0.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec757218438d5fda206afc041538b2f6d889286160d649a86a24d37e1235afd1"
checksum = "9027b48e9d4c9175fa2218adf3557f91c1137021739951d4932f5f8268ac48aa"
dependencies = [
"unicode-xid",
]
@ -562,9 +559,9 @@ dependencies = [
[[package]]
name = "rayon"
version = "1.5.1"
version = "1.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
checksum = "bd99e5772ead8baa5215278c9b15bf92087709e9c1b2d1f97cdb5a183c933a7d"
dependencies = [
"autocfg",
"crossbeam-deque",
@ -574,14 +571,13 @@ dependencies = [
[[package]]
name = "rayon-core"
version = "1.9.1"
version = "1.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
checksum = "258bcdb5ac6dad48491bb2992db6b7cf74878b0384908af124823d118c99683f"
dependencies = [
"crossbeam-channel",
"crossbeam-deque",
"crossbeam-utils",
"lazy_static",
"num_cpus",
]
@ -620,9 +616,9 @@ dependencies = [
[[package]]
name = "ryu"
version = "1.0.9"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
[[package]]
name = "same-file"
@ -641,15 +637,15 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
[[package]]
name = "semver"
version = "1.0.7"
version = "1.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d65bd28f48be7196d222d95b9243287f48d27aca604e08497513019ff0502cc4"
checksum = "8cb243bdfdb5936c8dc3c45762a19d12ab4550cdc753bc247637d4ec35a040fd"
[[package]]
name = "serde"
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version = "1.0.137"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
dependencies = [
"serde_derive",
]
@ -666,9 +662,9 @@ dependencies = [
[[package]]
name = "serde_derive"
version = "1.0.136"
version = "1.0.137"
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
dependencies = [
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@ -677,20 +673,20 @@ dependencies = [
[[package]]
name = "serde_json"
version = "1.0.79"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"itoa 1.0.1",
"itoa 1.0.2",
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"serde",
]
[[package]]
name = "serde_yaml"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a4a521f2940385c165a24ee286aa8599633d162077a54bdcae2a6fd5a7bfa7a0"
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dependencies = [
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@ -727,9 +723,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "syn"
version = "1.0.91"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b683b2b825c8eef438b77c36a06dc262294da3d5a5813fac20da149241dcd44d"
checksum = "a07e33e919ebcd69113d5be0e4d70c5707004ff45188910106854f38b960df4a"
dependencies = [
"proc-macro2",
"quote",
@ -803,9 +799,9 @@ dependencies = [
[[package]]
name = "tracing-attributes"
version = "0.1.20"
version = "0.1.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e65ce065b4b5c53e73bb28912318cb8c9e9ad3921f1d669eb0e68b4c8143a2b"
checksum = "cc6b8ad3567499f98a1db7a752b07a7c8c7c7c34c332ec00effb2b0027974b7c"
dependencies = [
"proc-macro2",
"quote",
@ -824,9 +820,9 @@ dependencies = [
[[package]]
name = "tracing-log"
version = "0.1.2"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6923477a48e41c1951f1999ef8bb5a3023eb723ceadafe78ffb65dc366761e3"
checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
dependencies = [
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@ -859,9 +855,9 @@ checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
[[package]]
name = "unicode-xid"
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checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
[[package]]
name = "valuable"